题目内容
| 求比值: 11:121 |
2:
| ||||||
|
1
|
分析:用比的前项除以后项即可.
解答:解:(1)11:121,
=11÷121,
=
;
(2)2:
,
=2÷
,
=14;
(3)
,
=75÷3.5,
=20;
(4)1
:
,
=1
÷
,
=
.
=11÷121,
=
| 1 |
| 11 |
(2)2:
| 1 |
| 7 |
=2÷
| 1 |
| 7 |
=14;
(3)
| 75 |
| 3.5 |
=75÷3.5,
=20;
(4)1
| 1 |
| 2 |
| 4 |
| 9 |
=1
| 1 |
| 2 |
| 4 |
| 9 |
=
| 27 |
| 8 |
点评:此题主要考查了求比值的方法,注意求比值的结果是一个商,可以是整数、小数或分数.
练习册系列答案
相关题目